<pre>  /**
   * The constants used in this Content Widget.
   */
  public static interface CwConstants extends Constants {
    String cwBasicTextAreaLabel();

    String cwBasicTextDescription();

    String cwBasicTextName();

    String cwBasicTextNormalLabel();

    String cwBasicTextPasswordLabel();

    String cwBasicTextReadOnly();

    String cwBasicTextSelected();
  }

  /**
   * An instance of the constants.
   */
  private final CwConstants constants;

  /**
   * Initialize this example.
   */
  @Override
  public Widget onInitialize() {
    // Create a panel to layout the widgets
    VerticalPanel vpanel = new VerticalPanel();
    vpanel.setSpacing(5);

    // Add a normal and disabled text box
    TextBox normalText = new TextBox();
    normalText.ensureDebugId("cwBasicText-textbox");
    // Set the normal text box to automatically adjust its direction according
    // to the input text. Use the Any-RTL heuristic, which sets an RTL direction
    // iff the text contains at least one RTL character.
    normalText.setDirectionEstimator(AnyRtlDirectionEstimator.get());
    TextBox disabledText = new TextBox();
    disabledText.ensureDebugId("cwBasicText-textbox-disabled");
    disabledText.setText(constants.cwBasicTextReadOnly());
    disabledText.setEnabled(false);
    vpanel.add(new HTML(constants.cwBasicTextNormalLabel()));
    vpanel.add(createTextExample(normalText, true));
    vpanel.add(createTextExample(disabledText, false));

    // Add a normal and disabled password text box
    PasswordTextBox normalPassword = new PasswordTextBox();
    normalPassword.ensureDebugId("cwBasicText-password");
    PasswordTextBox disabledPassword = new PasswordTextBox();
    disabledPassword.ensureDebugId("cwBasicText-password-disabled");
    disabledPassword.setText(constants.cwBasicTextReadOnly());
    disabledPassword.setEnabled(false);
    vpanel.add(new HTML("&lt;br&gt;&lt;br&gt;" + constants.cwBasicTextPasswordLabel()));
    vpanel.add(createTextExample(normalPassword, true));
    vpanel.add(createTextExample(disabledPassword, false));

    // Add a text area
    TextArea textArea = new TextArea();
    textArea.ensureDebugId("cwBasicText-textarea");
    textArea.setVisibleLines(5);
    vpanel.add(new HTML("&lt;br&gt;&lt;br&gt;" + constants.cwBasicTextAreaLabel()));
    vpanel.add(createTextExample(textArea, true));

    // Return the panel
    return vpanel;
  }

  /**
   * Create a TextBox example that includes the text box and an optional handler
   * that updates a Label with the currently selected text.
   *
   * @param textBox the text box to handle
   * @param addSelection add handlers to update label
   * @return the Label that will be updated
   */
  private HorizontalPanel createTextExample(
      final TextBoxBase textBox, boolean addSelection) {
    // Add the text box and label to a panel
    HorizontalPanel hPanel = new HorizontalPanel();
    hPanel.setSpacing(4);
    hPanel.add(textBox);

    // Add handlers
    if (addSelection) {
      // Create the new label
      final Label label = new Label(constants.cwBasicTextSelected() + ": 0, 0");

      // Add a KeyUpHandler
      textBox.addKeyUpHandler(new KeyUpHandler() {
        public void onKeyUp(KeyUpEvent event) {
          updateSelectionLabel(textBox, label);
        }
      });

      // Add a ClickHandler
      textBox.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
          updateSelectionLabel(textBox, label);
        }
      });

      // Add the label to the box
      hPanel.add(label);
    }

    // Return the panel
    return hPanel;
  }

  /**
   * Update the text in one of the selection labels.
   *
   * @param textBox the text box
   * @param label the label to update
   */
  private void updateSelectionLabel(TextBoxBase textBox, Label label) {
    label.setText(
        constants.cwBasicTextSelected() + ": " + textBox.getCursorPos() + ", "
            + textBox.getSelectionLength());
  }

</pre>